?Unique Functions:
WDR: Full time open
Plate Number Stamp: Show the car number on the screen
Parking guard: off / 5fps / 2fps / 1fps
Fatigue driving warning: off/ 2H / 4H
Beep: Switch on or off the system beep function
Speed Stamp: off / on Brand Name: Shadow Tec
Model: GT680W
Type : Dual Lens Dashboard Camera・ HD Car DVR Recorder・ Full HD Dashcam
Chipset Name: Novatek
Special Function: Motion detection・ AV-OUT・ Cycle recording・ HDMI output・ G-sensor・ Microphone・ Auto power on/off・ IR night vision Max External Card Supported: TF 32G (not included)
Class Rating Requirements: Class 4 or Above Screen Size: 2.7inch
Screen Type: LCD Battery type: Built-in
Capacity : 110mAh lithium battery
Charge Way : USB charge by PC・ Car charger Wide Angle: 140 degree wide angle
Image Sensor: 1/3" CMOS (Aptina AR0330) Decode Format: H.264
Video Format: MOV
Video Resolution : 720P (1280 x 720)・ 848 x 480・ 1080P (1920 x 1080)・ VGA (640 x 480)
Video System: NTSC・ PAL
Video Output: HDMI
Image Format : JPG
Audio System: Built-in microphone/speacker (AAC)
Exposure Compensation: +1・ 0
White Balance Mode: Auto Loop-cycle Recording : Yes
Motion Detection: Yes
G-Sensor: Yes
HDMI Output: Yes
WDR: Yes
Time Stamp: Yes
Interface Type: HDMI・ TF card slot・ Mini USB
Language: English・ Russian Frequency: 50Hz・ 60Hz Package weight: 0.553 kg
Product Size (L x W x H): 8.0 x 4.8 x 3.2 cm / 3.1 x 1.9 x 1.3 inches
Package Size (L x W x H): 21.0 x 15.0 x 9.0 cm Package Contents: 1 x Car DVR・ 1 x Car Charger・ 2 x Bracket・ 1 x HDMI Cable・ 1 x USB Cable・ 1 x User Manual 
